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Winners list:
 szebi   247 seconds 
 zsolt  144 seconds 
 Name  151 seconds 
 Имя  192 seconds 
 Діана Макарова  763 seconds 
 Tehawanka  151 seconds 
 Holm  279 seconds 

Test: 3 digit addition with regrouping

1)
469
175
+ 87

2)
900
468
+ 29

3)
945
281
+ 91

4)
687
470
+382

5)
947
617
+ 62

6)
572
160
+ 11

Well:Wrong:Mistakes:

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